diff --git a/js/help_modal.js b/js/help_modal.js
index ecb6259..8333e42 100644
--- a/js/help_modal.js
+++ b/js/help_modal.js
@@ -8,10 +8,15 @@
         var modalContent = '<div id="help-modal" class="modal">' +
                             '<div class="modal-content">' +
                               '<span class="close-button">&times;</span>' +
-                              '<h2>Roblib Solr Alter</h2>' +
-                              '<p>The form allows you two or more existing Solr fields to a new multivalues field.</p>' +
-                              '<p>Select existing fields from the dropdowns on the left, and pair them with a new field</ br> '+
-                              'in the column on the right. Your new field name comply with your Solr installion\'s schema.</p>' +
+                              '<h3>Consolidating existing Solr fields</h3>' +
+                              '<p>The form allows you concatenate two or more existing Solr fields to a new multivalue field. </ br>' +
+                              'Select existing fields from the dropdowns on the left, to pair them with a new field</ br> '+
+                              'entered in the column on the right. </ br>The new field name need not exist in your Solr config already.</p>' +
+                              '<h3>Normalizing Custom Strings</h3>' +
+                              '<p>Create a Custom value string on your Solr index, and populate it with pipe separated tokens ' +
+                              'such as <em>[node:field_country]|[node:field_geo_area]|node:field_geo_city]</em>, ' +
+                              'then select this field in the Normalize selector below.  The resulting Solr field will be a comma-separated string, ' +
+                              'allowing multiple values per tokenized Drupal field. </p>'
                             '</div>' +
                           '</div>';
         
@@ -21,10 +26,12 @@
         
         // Show the modal
         $('#help-modal').fadeIn();
+        $("#open_link-wrapper").fadeOut();
         
         // Close the modal when clicking the close button
         $('#help-modal .close-button').click(function () {
           $('#help-modal').fadeOut(function () {
+            $("#open_link-wrapper").fadeIn();
             $('#help-modal').remove();  // Remove modal from DOM after closing
           });
         });
@@ -32,6 +39,7 @@
         // Close the modal when clicking outside the modal content
         $(window).click(function(event) {
           if ($(event.target).is('#help-modal')) {
+            $("#open_link-wrapper").fadeIn();
             $('#help-modal').fadeOut(function () {
               $('#help-modal').remove();  // Remove modal from DOM
             });
diff --git a/js/roblib_alter_solr.js b/js/roblib_alter_solr.js
index d4e6073..874dfd1 100644
--- a/js/roblib_alter_solr.js
+++ b/js/roblib_alter_solr.js
@@ -10,7 +10,7 @@
           var sourceFilled = sourceField.find('option:selected').length > 0;
           var destinationFilled = destinationField.val().trim().length > 0;
           // Show/hide button based on whether both fields are filled
-          if (sourceFilled && destinationFilled) {
+          if (sourceFilled) {
             $('.form-submit[value="Add Row"]', context).show();
           } else {
             $('.form-submit[value="Add Row"]', context).hide();
diff --git a/src/EventSubscriber/RoblibAlterSolrSubscriber.php b/src/EventSubscriber/RoblibAlterSolrSubscriber.php
index 94af3e1..9e6acea 100644
--- a/src/EventSubscriber/RoblibAlterSolrSubscriber.php
+++ b/src/EventSubscriber/RoblibAlterSolrSubscriber.php
@@ -73,6 +73,21 @@ final class RoblibAlterSolrSubscriber implements EventSubscriberInterface {
         $field_name = "sm_{$values['destination']}";
         $solrDocument->setField($field_name, $consolidated_values);
       }
+      foreach ($this->config->get('normalize') as $name) {
+        $field_value = $item->getField($name);
+        if ($field_value && $field_value->getValues()) {
+          $value = $field_value->getValues()[0] ?? '';
+          $cleaned_string = preg_match('/^\|+$/', $value) ? '' : preg_replace('/\|+/', ', ', $value);
+          if ($cleaned_string) {
+            $solrDocument->setField("ss_{$name}", $cleaned_string);
+          }
+          else {
+            $solrDocument->removeField("ss_{$name}");
+          }
+
+        }
+      }
+
     }
   }
 
diff --git a/src/Form/RoblibAlterSolrSettingsForm.php b/src/Form/RoblibAlterSolrSettingsForm.php
index 4f458de..d0db28e 100644
--- a/src/Form/RoblibAlterSolrSettingsForm.php
+++ b/src/Form/RoblibAlterSolrSettingsForm.php
@@ -46,7 +46,10 @@ final class RoblibAlterSolrSettingsForm extends ConfigFormBase {
       '#prefix' => '<div id="open_link-wrapper">',
       '#suffix' => '</div>',
     ];
-
+    $form['pairs_description'] = [
+      '#type' => 'markup',
+      '#markup' => '<p><strong>' . $this->t('Define the source and destination mappings.') . '</strong></p>',
+    ];
     $form['pairs'] = [
       '#type' => 'table',
       '#header' => [
@@ -127,6 +130,16 @@ final class RoblibAlterSolrSettingsForm extends ConfigFormBase {
       ];
 
     }
+    $form['normalize_description'] = [
+      '#type' => 'markup',
+      '#markup' => '<p><strong>' . $this->t('Select aggregated field(s) to be normalized..') . '</strong></p>',
+    ];
+    $form['normalize'] = [
+      '#type' => 'select',
+      '#multiple' => TRUE,
+      '#options' => $fields_options,
+      '#default_value' => $config->get('normalize') ?? '',
+    ];
     $form['#attached']['library'][] = 'roblib_alter_solr/roblib_alter_solr';
 
     return parent::buildForm($form, $form_state);
@@ -172,12 +185,12 @@ final class RoblibAlterSolrSettingsForm extends ConfigFormBase {
    */
   public function submitForm(array &$form, FormStateInterface $form_state) {
     $pairs = $form_state->getValue('pairs');
-    $config = $this->config('roblib_alter_solr.settings');
-    $config->set('pairs', $pairs)->save();
-
+    $normalize = $form_state->getValue('normalize');
+    $this->config('roblib_alter_solr.settings')
+      ->set('pairs', $pairs)
+      ->set('normalize', $normalize)
+      ->save();
     $this->messenger()->addStatus($this->t('Configuration saved successfully.'));
   }
 
-  
-
 }